Enacted in Britain in 1895, this law requiring doctors to report cases of occupational disease, the records of the reports were maintained by the office of the chief inspector of factories. Continue reading
C. Edmund Kells of New Orleans, LA, USA, a dentist and inventor, built the first X-ray machine in the United States in 1896, which was shortly after the discovery of radiography by the German scientist Wilhelm Conrad Roentgen in 1895. Continue reading
Thats right, botanists, zoologists, geologists, geographers, and physicians were the kinds of scientists that accompanied the armies of Alexander the Great on his campaigns of military conquest beginning in 335 BCE. Continue reading
Christopher Columbus (c. 1451 – 20 May 1506) was an Italian explorer, navigator, and colonizer. Born in the Republic of Genoa, under the auspices of the Catholic Monarchs of Spain he completed four voyages across the Atlantic Ocean. Continue reading
Archeological evidence shows that the disease was suffered by Native Americans many centuries before European contact, this has lead to the wide spread belief that the disease was transmitted to the rest of the world following the voyages of Christopher Columbus in 1492. Continue reading
The contact lens were imagined and sketched his designs was the Italian artist and scientist Leonardo da Vinci, in 1508. Later in 1632 the French philosopher Rene Descartes conceived of corneal contact lens.
1508 / 1632
Leonardo da Vinci,
- Leonardo da Vinci – Wikipedia
Leonardo di ser Piero da Vinci (Italian: [leoˈnardo di ˌsɛr ˈpjɛːro da (v)ˈvintʃi] ( listen); 15 April 1452 – 2 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
- Da Vinci to Disposable: A History of Contact Lenses – 1800contacts.com
When you think about contact lenses, you probably don’t picture wearing a bowl of water on your head, but strangely enough, that’s how they began. In his 1508 “Codex of the Eye”, Italian inventor Leonardo da Vinci speculated that submerging the head in a bowl of water could alter vision.
- When Were Contact Lenses Invented? – AllAboutVision.com
Though contact lenses seem to be a recent phenomenon, the famous Italian architect, mathematician and inventor Leonardo da Vinci (1452-1519) produced the first known sketches (in 1508) that suggested the optics of the human eye could be altered by placing the cornea directly in contact with water.
- A Brief History of Contact Lenses
1508 Leonardo da Vinci illustrates the concept of contact lenses
- Contact lens – Wikipedia
A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye. Contact lenses are considered medical devices and can be worn to correct vision, or for cosmetic or therapeutic reasons.
- The Evolution of Contact Lenses: From Da Vinci to Electronic Lenses …
As of 2012, there were 34 million Americans and 71 million people worldwide who wore the thin film inserts known as contact lenses over their eyes for some form of vision enhancement, according to the U.S. Environmental Protection Agency.
The first international medical relief organization was the Red Cross, technically formed at the Geneva Convention of 1864 and the Red Cross still has headquartered in Geneva, Switzerland. The Red Cross Mission was based on the ideas of the Swiss humanitarian Jean-Henri Dunant, who had advocated the formation of national voluntary societies for huanitarian aid during wartime. During non war times, The Red Cross also performs such peacetime duties, as first aid training and disaster relief. After 1906 Red Crescent societies was first formed in Muslim countries.
- Henry Dunant – Wikipedia
Henry Dunant (born Jean-Henri Dunant; 8 May 1828 – 30 October 1910), also known as Henri Dunant, was the founder of the Red Cross, and the first recipient of the Nobel Peace Prize.
- Redcross.ca – Canadian Red Cross
Official Canadian site
- History – IFRC
The International Federation of Red Cross and Red Crescent Societies (IFRC) was founded in 1919 in Paris in the aftermath of World War I.
Some 600 people from professions such as Health professionals, Activists, Scientists, Breast Cancer Survivors, Environmentalists, and women coping with breast cancer, descended on Kingston, Ontario, Canada, for the World Conference on Breast Cancer, July 13-17, 1997. Continue reading
Karl Landsteiner in 1901, described blood types A, B and O, fist shooing the differences due to distinctive antigens carried by red blood cells. Continue reading
George Eastman (July 12, 1854 – March 14, 1932) was an American entrepreneur who founded the Eastman Kodak Company and popularized the use of roll film, helping to bring photography to the mainstream. Continue reading